package edu.sctu.practice.class02.renzhaoxu.test20;

/**
 * Created by Administrator on 2015/10/30.
 */
public class Car extends Vehicle{

    int a;

    public Car(int a){

        this.a=a;

    }

    @Override
    public String Noofwheels() {
        return "轮子数"+a;
    }
}
